CVE-2025-57437 — CRITICAL (9.8)

Vulnerability Description

The Blackmagic Web Presenter HD firmware version 3.3 exposes sensitive information via an unauthenticated Telnet service on port 9977. When connected, the service reveals extensive device configuration data including: - Model, version, and unique identifiers - Network settings including IP, MAC, DNS - Current stream platform, stream key, and streaming URL - Audio/video configuration This data can be used to hijack live streams or perform network reconnaissance.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Blackmagicdesign	Web Presenter Hd Firmware	3.3
Blackmagicdesign	Web Presenter Hd	-

Related Weaknesses (CWE)

CWE-200

References

https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-5743ExploitThird Party Advisory
https://www.blackmagicdesign.com/Product

FAQ

What is CVE-2025-57437?

CVE-2025-57437 is a vulnerability with a CVSS score of 9.8 (CRITICAL). The Blackmagic Web Presenter HD firmware version 3.3 exposes sensitive information via an unauthenticated Telnet service on port 9977. When connected, the service reveals extensive device configuratio...

How severe is CVE-2025-57437?

CVE-2025-57437 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-57437?

Check the references section above for vendor advisories and patch information. Affected products include: Blackmagicdesign Web Presenter Hd Firmware, Blackmagicdesign Web Presenter Hd.